Initial commit: monorepo Match Live TV.

Rails API, app Flutter, infrastruttura Docker/MediaMTX, sito marketing e documentazione di deploy.

Co-authored-by: Cursor <cursoragent@cursor.com>

mobile/lib/shared/widgets/metric_card.dart

@@ -0,0 +1,65 @@
+import 'package:flutter/material.dart';
+
+import '../../app/theme.dart';
+
+/// Card metrica singola (segnale, Mbps, fps).
+class MetricCard extends StatelessWidget {
+  const MetricCard({
+    super.key,
+    required this.label,
+    required this.value,
+    this.icon,
+    this.highlight = false,
+    this.expand = true,
+  });
+
+  final String label;
+  final String value;
+  final IconData? icon;
+  final bool highlight;
+  final bool expand;
+
+  @override
+  Widget build(BuildContext context) {
+    final theme = Theme.of(context);
+    final card = Container(
+      padding: const EdgeInsets.symmetric(vertical: 12, horizontal: 8),
+      decoration: BoxDecoration(
+        color: AppTheme.surfaceElevated,
+        borderRadius: BorderRadius.circular(10),
+        border: highlight
+            ? Border.all(color: AppTheme.successGreen.withValues(alpha: 0.5))
+            : null,
+      ),
+      child: Column(
+        mainAxisSize: MainAxisSize.min,
+        children: [
+          if (icon != null) ...[
+            Icon(icon, size: 18, color: AppTheme.textSecondary),
+            const SizedBox(height: 4),
+          ],
+          Text(
+            value,
+            style: theme.textTheme.titleLarge?.copyWith(
+              color: highlight ? AppTheme.successGreen : Colors.white,
+              fontWeight: FontWeight.w900,
+            ),
+            textAlign: TextAlign.center,
+          ),
+          const SizedBox(height: 2),
+          Text(
+            label,
+            style: theme.textTheme.bodyMedium?.copyWith(fontSize: 11),
+            textAlign: TextAlign.center,
+          ),
+        ],
+      ),
+    );
+
+    if (!expand) {
+      return SizedBox(width: 72, child: card);
+    }
+
+    return Expanded(child: card);
+  }
+}